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Chloride, stool |
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Cholangiography |
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Varicella status, prenatal |
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Varicella-zoster antibody test |
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Varicella-zoster virus (VZV) |
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Cholecystokin, hepatobiliary imaging with |
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Cholera |
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Cholesterol crystals, urine |
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Cholinesterase, red blood cell (acetylcholinesterase) |
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Cholinesterase, serum (pseudocholinesterase) |
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Chorionic gonadotropin |
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Chorionic somatomammotropin |
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Choroidal cells, in cerebrospinal fluid |
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Vascular Ultrasound Studies (Duplex Scans) |